Snapshot A 40-year-old man presents to his psychiatrist for a follow-up appointment. He had been in the army for 10 years and had post-traumatic stress disorder (PSTD). He started seeing his psychiatrist 1 month ago and had been treated with cognitive behavioral therapy and sertraline. He reports that while this has helped with his thoughts during the day, he continues to have nightmares almost every night. His psychiatrist adds prazosin. Introduction Overview login to view 2 more bullets ETIOLOGY Pathogenesis login to view 2 more bullets Associated conditions login to view 1 more bullet Epidemiology Incidence login to view 1 more bullet Demographics login to view 1 more bullet Risk factors login to view 1 more bullet Presentation Symptoms login to view 19 more bullets Physical exam login to view 3 more bullets Differential Acute stress disorder login to view 3 more bullets Treatment Lifestyle login to view 3 more bullets Medical login to view 19 more bullets Complications Mood disorders Panic and other anxiety disorders Substance abuse disorders Headaches Prognosis Prognostic variable login to view 1 more bullet